Bond order is an inverse measure of

$N_2$ and $O_2$ are converted into monoanions $N_2^-$ and $O_2^-$ respectively. Which of the following statements is wrong?

Arrange the following species in the decreasing order of their bond orders:
$(I)$ $NO$
$(II)$ $NO^+$
$(III)$ $NO^-$

Which set consists of paramagnetic molecules or ions?

Write the important conditions required for the linear combination of atomic orbitals to form molecular orbitals.

Bonding in which of the following diatomic molecule$(s)$ becomes stronger,on the basis of $M.O.$ Theory,by removal of an electron?
$(A)$ $NO$
$(B)$ $N_2$
$(C)$ $O_2$
$(D)$ $C_2$
$(E)$ $B_2$
Choose the most appropriate answer from the options given below.